three highs agriculture (high yield, high quality and high efficiency agriculture)
光纤高速绞合机
high speed fiber optics strander
暂无补充释义。
high speed fiber optics strander
暂无补充释义。
three highs agriculture (high yield, high quality and high efficiency agriculture)
high strength alloy steel shackle
high polymer waterproof rolling material
vertical high pressure steam boiler
high speed cooking
high intensity cathode-ray tube
high-vacuum switching tube【电子】
high speed evaporator